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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP51124859ApriorityCriticalpatent/JPS5836595B2/en
Publication of JPS5350429ApublicationCriticalpatent/JPS5350429A/en
Publication of JPS5836595B2publicationCriticalpatent/JPS5836595B2/en
PURPOSE: To improve efficiency and output waveform by installing pulse width modulation circuit where turn-off signal for thyristor is provided alternatively from a plurality of thyristors which function correspondingly except during polality inversion.